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|Should Gaylord Perry's induction into the Hall of Fame be questioned because of his use of the spitball?|
In the early days of baseball, individual pitchers routinely through nearly all of their team's innings pitched. When "pitching" went from just that to more of a skill, individual innings pitched totals dropped, and they dropped further as pitchers threw harder spun the ball in an effort to miss the bats of hitters swinging as hard as they could. There have been 371 seasons of at least 300 innings pitched since 1901. They break down, by decade, like this:
1981- the end of time: 0
There were 40 300-inning seasons from 1931-1960. There were 37 from 1971-1980. There has not been one since then. The period from 1963 through 1987 also was the peak for reliever usage; 130 of the 166 seasons in MLB history in which a pitcher threw 120 games while making 90% of their appearances as a reliever occurred in this 25-year span. No pitcher has done this since 1991.
The amphetamine era featured just as many statistical anomalies as did the steroid era, but there was no connection between the two reported. No one cared. Why that is the case is a topic for a book, I'd imagine, but you cannot defend the idea that steroids alone fundamentally changed the game's statistics in a way that the previous generation's drug of choice didn't. The correct answer, or course, is to see the whole board and acknowledge that peak homer was the product of a dozen factors, with the number "73" an explicable statistical outlier in that context, just as peak steal (and "130") were the same, just as peak playing time was the same, just as peak innings pitched was the same.